Provided is a wavelength conversion member that is less decreased in luminescence intensity with time by irradiation with light of an LED or LD and a light emitting device using the wavelength conversion member. A wavelength conversion member is formed of an inorganic phosphor dispersed in a glass matrix, wherein the glass matrix contains, in % by mole, 30 to 85% SiO.sub.2, 4.3 to 20% B.sub.2O.sub.3, 0 to 25% Al.sub.2O.sub.3, 0 to 3% Li.sub.2O, 0 to 3% Na.sub.2O, 0 to 3% K.sub.2O, 0 to 3% Li.sub.2O+Na.sub.2O+K.sub.2O, 0 to 35% MgO, 0 to 35% CaO, 0 to 35% SrO, 0 to 35% BaO, 0.1 to 45% MgO+CaO+SrO+BaO, and 0 to 5% ZnO, and the inorganic phosphor is at least one selected from the group consisting of an oxide phosphor, a nitride phosphor, an oxynitride phosphor, a chloride phosphor, an oxychloride phosphor, a halide phosphor, an aluminate phosphor, and a halophosphoric acid chloride phosphor.

Provided is a wavelength conversion member that is less decreased in luminescence intensity with time by irradiation with light of an LED or LD and a light emitting device using the wavelength conversion member. A wavelength conversion member is formed of an inorganic phosphor dispersed in a glass matrix, wherein the glass matrix contains, in % by mole, 30 to 85% SiO.sub.2, 4.3 to 20% B.sub.2O.sub.3, 0 to 25% Al.sub.2O.sub.3, 0 to 3% Li.sub.2O, 0 to 3% Na.sub.2O, 0 to 3% K.sub.2O, 0 to 3% Li.sub.2O+Na.sub.2O+K.sub.2O, 0 to 35% MgO, 0 to 35% CaO, 0 to 35% SrO, 0 to 35% BaO, 0.1 to 45% MgO+CaO+SrO+BaO, and 0 to 5% ZnO, and the inorganic phosphor is at least one selected from the group consisting of an oxide phosphor, a nitride phosphor, an oxynitride phosphor, a chloride phosphor, an oxychloride phosphor, a halide phosphor, an aluminate phosphor, and a halophosphoric acid chloride phosphor.

A light generator comprises a light conversion device and a light source arranged to apply a light beam to the light conversion element. The light conversion device includes an optoceramic or other solid phosphor element comprising one or more phosphors embedded in a ceramic, glass, or other host, a metal heat sink, and a solder bond attaching the optoceramic phosphor element to the metal heat sink. The optoceramic phosphor element does not undergo cracking in response to the light source applying a light beam of beam energy effective to heat the optoceramic phosphor element to the phosphor quenching point.

The process of the invention presents a simple, effective and continuous process for producing slabs and panels from compositions free from ceramic components or ceramic binders.

The process of the invention presents a simple, effective and continuous process for producing slabs and panels from compositions free from ceramic components or ceramic binders.

The present disclosure provides a member having a porous layer containing particles and having a low refractive index and high film strength and a coating liquid for forming a porous layer containing particles, wherein the porous layer contains a plurality of silicon oxide particles bound by an inorganic binder and at least one acid.

The present invention relates to a security marker; a method of preparing same; the use of said security marker; a security article, document, or element comprising said marker; the use of said security article, document, or element; an object of value comprising said marker; a method of preparing said security article, document, or element or said object of value; a method for determining the authenticity of said security article, document, or element or said object of value; and a system for determining the authenticity of said security article, document, or element or said object of value.

A multilayer coil component includes a multilayer body in which a plurality of insulating layers are stacked and inside of which a coil is provided, and first and second outer electrodes provided on surfaces of the multilayer body and electrically connected to the coil. The multilayer body has first and second end surfaces, first and second main surfaces, and first and second side surfaces. The first outer electrode extends from at least part of the first end surface of the multilayer body across part of the first main surface and the second outer electrode extends from at least part of the second end surface of the multilayer body across part of the first main surface. A transmission coefficient S21 is −1.0 dB or higher in a range from 1 GHz to 40 GHz and is −1.5 dB or higher in a range from 40 GHz to 60 GHz.

A ceramic electronic component that includes a ceramic insulator and a terminal electrode on a surface of the ceramic insulator. The ceramic insulator contains a crystalline material and an amorphous material. The terminal electrode contains a metal and an oxide. The crystalline material and the oxide contain, in common, at least one type of a metal element. An adjacent region in the ceramic insulator which surrounds the terminal electrode and has a thickness of 5 μm is higher in concentration of the metal element than a remote region which is distant from the terminal electrode by 100 μm and has a thickness of 5 μm.

Methods for manufacturing and/or reinforcing a carbon-containing glass material are disclosed. The method includes supplying a non-thermal equilibrium plasma including a plurality of positive charged gas particles and a plurality of ionized inert gas particles into a reaction chamber, and accelerating at least the plurality of positive charged gas particles through the reaction chamber based on application of an external electric potential to the non-thermal equilibrium plasma. The method includes bombarding a surface-to-air interface of the glass material with the accelerated positive charged gas particles and the ionized inert gas particles, and forming an interphase region in the glass material in response to the bombardment. The method includes forming a compressive stress layer in the glass material in response to the bombardment by at least the ionized inert gas particles. The compressive stress layer may be disposed between the interphase region and the surface-to-air interface of the carbon-containing glass material.